苏丹6区稠油破乳剂筛选和应用研究

Oil-Gasfield Surface Engineering(2019)

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Abstract
随着苏丹6区油田稠油开采不断进行,原油乳化严重,破乳脱水更加困难,FNE和MO-GA区块的稠油脱后含水率超标,严重影响原油外输.采用瓶试法对16种破乳剂进行了室内评价筛选,结果表明:破乳剂T611对FNE和MOGA区块原油的脱水效果最好,且随着破乳剂加药浓度增加,脱水率增大.将筛选出来的破乳剂T611在FNE和MOGA FPF进行了现场应用试验,试验结果表明:破乳剂加药质量浓度约为50 mg/L时,7 d内FNE和MOGA FPF外输原油含水率都在1%左右,破乳剂T611现场应用效果较好,可以满足生产要求.
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